Our Work

A list of our current research published using information from our firearm laws database.

Household Gun Ownership and Youth Suicide Rates at the State Level, 2005–2015

American Journal of Preventive Medicine, March 2019

This article examines the relationship between the prevalence of household gun ownership and the rate of youth suicide by state. This article finds that states with high levels of household gun ownership are more likely to experience higher youth suicide rates.

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The impact of state firearm laws on homicide and suicide deaths in the USA, 1991-2016: A panel study

Journal of General Internal Medicine, March 2019

This article examines the relationship between state firearm laws and overall homicide rates at a state level. This article finds a relationship between the enactment of two types of firearm laws, violent misdemeanor laws and universal background checks, and the reduction of homicide rates over time.

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The Role of Racial Residential Segregation in Black-White Disparities in Firearm Homicide at the State Level in the United States, 1991-2015

Journal of the National Medical Association, February 2019

This article examines the relationship between racial residential segregation and differences in Black-White disparities in firearm homicides throughout the US. The article finds that racial segregation is positively associated with Black firearm homicide rates and negatively associated with White firearm homicide rates.

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Implications of the Australian experience with firearm regulation for U.S. gun policy

American Journal of Public Health, November 2019

An editorial examining the Australian experience with firearm policies and it's implications for firearm policies in the United States.

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The relationship between structural racism and Black-White disparities in fatal police shootings at the state level

Journal of the National Medical Association, April 2018

This article examines the relationship between state-level structural racism and racial disparities in police shootings of unarmed victims. The article finds that the level of racism in a state was a significant predictor of racial disparities in police shooting rates.

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State Firearm Laws and Interstate Transfer of Guns in the USA, 2006–2016

Journal of Urban Health, June 2018

This article examines the relationship between state firearm laws and the interstate transfer of guns. The article finds that guns flow from states with weak gun laws into states with strong gun laws.

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A multi-decade joinpoint analysis of firearm injury severity

Trauma Surgery & Acute Care Open, February 2018

This article examines trends in severity of firearm related injuries over time, finding that the severity of hospitalized firearm injuries increased significantly from 1993-2004.

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Easiness of Legal Access to Concealed Firearm Permits and Homicide Rates in the United States

American Journal of Public Health, November 2017

This article examines the relationship between state-level concealed handgun permitting policies and homicide rates during the period 1991-2015. It reports that compared to “may issue” laws, “shall issue” laws are associated with significantly higher rates of overall, firearm-related, and handgun-related homicide.

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Broadening the Perspective on Gun Violence: An Examination of the Firearms Industry, 1990-2015

American Journal of Preventive Medicine, November 2017

This article reports trends in domestic firearm production during the period 1990-2015. The major finding is that there was a dramatic increase in firearms production starting in 2005, driven by a rise in large caliber pistol and rifle production.

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State Intimate Partner Violence-Related Firearm Laws and Intimate Partner Homicide Rates in the United States, 1991 to 2015

Annals of Internal Medicine, October 2017

This article reports that state laws which require people subject to domestic violence restraining orders to relinquish firearms in their possession are associated with significantly lower rates of intimate partner violence.

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